This inductance bridge uses an external audio signal. The circuit is from a Radio Electronics from January 1966. The instrument can be a common multimeter in the lowest current range.
This TTL dice is from an old publication from 1978, but it can still be assembled, as the...
This precision signal rectifier was found in an Electronic Design. The components used are from...
We found this setting in the National Semiconductor Linear Applications Handbook. The base is an...